1
22
23 package com.liferay.documentlibrary.util;
24
25 import com.liferay.documentlibrary.NoSuchFileException;
26 import com.liferay.portal.PortalException;
27 import com.liferay.portal.SystemException;
28 import com.liferay.portal.kernel.log.Log;
29 import com.liferay.portal.kernel.log.LogFactoryUtil;
30 import com.liferay.portal.kernel.search.Document;
31 import com.liferay.portal.kernel.search.Field;
32 import com.liferay.portal.kernel.search.SearchEngineUtil;
33 import com.liferay.portal.kernel.search.SearchException;
34 import com.liferay.portal.kernel.util.FileUtil;
35 import com.liferay.portal.kernel.util.GetterUtil;
36 import com.liferay.portal.kernel.util.StringPool;
37 import com.liferay.portal.kernel.util.Validator;
38 import com.liferay.portal.util.PropsKeys;
39 import com.liferay.portal.util.PropsUtil;
40 import com.liferay.util.SystemProperties;
41 import com.liferay.util.servlet.ServletResponseUtil;
42
43 import java.io.File;
44 import java.io.FileInputStream;
45 import java.io.IOException;
46 import java.io.InputStream;
47
48 import java.util.ArrayList;
49 import java.util.Arrays;
50 import java.util.Date;
51 import java.util.HashSet;
52 import java.util.Iterator;
53 import java.util.List;
54 import java.util.Set;
55
56 import org.apache.commons.id.uuid.UUID;
57
58 import org.jets3t.service.S3Service;
59 import org.jets3t.service.S3ServiceException;
60 import org.jets3t.service.impl.rest.httpclient.RestS3Service;
61 import org.jets3t.service.model.S3Bucket;
62 import org.jets3t.service.model.S3Object;
63 import org.jets3t.service.security.AWSCredentials;
64
65
71 public class S3Hook extends BaseHook {
72
73 public S3Hook() {
74 try {
75 _s3Service = getS3Service();
76 _s3Bucket = getS3Bucket();
77 }
78 catch (S3ServiceException s3se) {
79 _log.error(s3se.getMessage());
80 }
81 }
82
83 public void addDirectory(
84 long companyId, long repositoryId, String dirName) {
85 }
86
87 public void addFile(
88 long companyId, String portletId, long groupId, long repositoryId,
89 String fileName, String properties, Date modifiedDate,
90 String[] tagsEntries, InputStream is)
91 throws SystemException {
92
93 try {
94 S3Object s3Object = new S3Object(
95 _s3Bucket,
96 getKey(companyId, repositoryId, fileName, DEFAULT_VERSION));
97
98 s3Object.setDataInputStream(is);
99
100 _s3Service.putObject(_s3Bucket, s3Object);
101
102 Indexer.addFile(
103 companyId, portletId, groupId, repositoryId, fileName,
104 properties, modifiedDate, tagsEntries);
105 }
106 catch (S3ServiceException s3se) {
107 throw new SystemException(s3se);
108 }
109 catch (SearchException se) {
110 throw new SystemException(se);
111 }
112 }
113
114 public void checkRoot(long companyId) {
115 }
116
117 public void deleteDirectory(
118 long companyId, String portletId, long repositoryId, String dirName)
119 throws SystemException {
120
121 try {
122 S3Object[] s3Objects = _s3Service.listObjects(
123 _s3Bucket, getKey(companyId, repositoryId, dirName), null);
124
125 for (int i = 0; i < s3Objects.length; i++) {
126 S3Object s3Object = s3Objects[i];
127
128 _s3Service.deleteObject(_s3Bucket, s3Object.getKey());
129 }
130 }
131 catch (S3ServiceException s3se) {
132 throw new SystemException(s3se);
133 }
134 }
135
136 public void deleteFile(
137 long companyId, String portletId, long repositoryId,
138 String fileName)
139 throws SystemException {
140
141 try {
142 S3Object[] s3Objects = _s3Service.listObjects(
143 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
144
145 for (int i = 0; i < s3Objects.length; i++) {
146 S3Object s3Object = s3Objects[i];
147
148 _s3Service.deleteObject(_s3Bucket, s3Object.getKey());
149 }
150
151 Indexer.deleteFile(companyId, portletId, repositoryId, fileName);
152 }
153 catch (S3ServiceException s3se) {
154 throw new SystemException(s3se);
155 }
156 catch (SearchException se) {
157 throw new SystemException(se);
158 }
159 }
160
161 public void deleteFile(
162 long companyId, String portletId, long repositoryId,
163 String fileName, double versionNumber)
164 throws SystemException {
165
166 try {
167 _s3Service.deleteObject(
168 _s3Bucket,
169 getKey(companyId, repositoryId, fileName, versionNumber));
170 }
171 catch (S3ServiceException s3se) {
172 throw new SystemException(s3se);
173 }
174 }
175
176 public InputStream getFileAsStream(
177 long companyId, long repositoryId, String fileName,
178 double versionNumber)
179 throws PortalException, SystemException {
180
181 try {
182 if (versionNumber == 0) {
183 versionNumber = getHeadVersionNumber(
184 companyId, repositoryId, fileName);
185 }
186
187 S3Object s3Object = _s3Service.getObject(
188 _s3Bucket,
189 getKey(companyId, repositoryId, fileName, versionNumber));
190
191 return s3Object.getDataInputStream();
192 }
193 catch (S3ServiceException s3se) {
194 throw new SystemException(s3se);
195 }
196 }
197
198 public String[] getFileNames(
199 long companyId, long repositoryId, String dirName)
200 throws SystemException {
201
202 try {
203 List<String> list = new ArrayList<String>();
204
205 S3Object[] s3Objects = _s3Service.listObjects(
206 _s3Bucket, getKey(companyId, repositoryId, dirName), null);
207
208 for (int i = 0; i < s3Objects.length; i++) {
209 S3Object s3Object = s3Objects[i];
210
211
214 String key = s3Object.getKey();
215
216 int x = key.indexOf(StringPool.SLASH);
217
218 x = key.indexOf(StringPool.SLASH, x + 1);
219
220 int y = key.lastIndexOf(StringPool.SLASH);
221
222 list.add(key.substring(x, y));
223 }
224
225 return list.toArray(new String[list.size()]);
226 }
227 catch (S3ServiceException s3se) {
228 throw new SystemException(s3se);
229 }
230 }
231
232 public long getFileSize(
233 long companyId, long repositoryId, String fileName)
234 throws PortalException, SystemException {
235
236 try {
237 double versionNumber = getHeadVersionNumber(
238 companyId, repositoryId, fileName);
239
240 S3Object objectDetails = _s3Service.getObjectDetails(
241 _s3Bucket,
242 getKey(companyId, repositoryId, fileName, versionNumber));
243
244 return objectDetails.getContentLength();
245 }
246 catch (S3ServiceException s3se) {
247 throw new SystemException(s3se);
248 }
249 }
250
251 public boolean hasFile(
252 long companyId, long repositoryId, String fileName,
253 double versionNumber)
254 throws SystemException {
255
256 try {
257 S3Object[] s3Objects = _s3Service.listObjects(
258 _s3Bucket,
259 getKey(companyId, repositoryId, fileName, versionNumber), null);
260
261 if (s3Objects.length == 0) {
262 return false;
263 }
264 else {
265 return true;
266 }
267 }
268 catch (S3ServiceException s3se) {
269 throw new SystemException(s3se);
270 }
271 }
272
273 public void move(String srcDir, String destDir) {
274 }
275
276 public void reIndex(String[] ids) throws SearchException {
277 long companyId = GetterUtil.getLong(ids[0]);
278 String portletId = ids[1];
279 long groupId = GetterUtil.getLong(ids[2]);
280 long repositoryId = GetterUtil.getLong(ids[3]);
281
282 try {
283 S3Object[] searchObjects = _s3Service.listObjects(
284 _s3Bucket, getKey(companyId, repositoryId), null);
285
286 Set<String> fileNameSet = new HashSet<String>();
287
288 for (int i = 0; i < searchObjects.length; i++) {
289 S3Object currentObject = searchObjects[i];
290
291 String fileName = getFileName(currentObject.getKey());
292
293 fileNameSet.add(fileName);
294 }
295
296 Iterator<String> itr = fileNameSet.iterator();
297
298 while (itr.hasNext()) {
299 String fileName = itr.next();
300
301 try {
302 Document doc = Indexer.getFileDocument(
303 companyId, portletId, groupId, repositoryId, fileName);
304
305 SearchEngineUtil.updateDocument(
306 companyId, doc.get(Field.UID), doc);
307 }
308 catch (Exception e) {
309 _log.error("Reindexing " + fileName, e);
310 }
311 }
312 }
313 catch (S3ServiceException s3se) {
314 throw new SearchException(s3se);
315 }
316 }
317
318 public void updateFile(
319 long companyId, String portletId, long groupId, long repositoryId,
320 String fileName, double versionNumber, String sourceFileName,
321 String properties, Date modifiedDate, String[] tagsEntries,
322 InputStream is)
323 throws SystemException {
324
325 try {
326 S3Object s3Object = new S3Object(
327 _s3Bucket,
328 getKey(companyId, repositoryId, fileName, versionNumber));
329
330 s3Object.setDataInputStream(is);
331
332 _s3Service.putObject(_s3Bucket, s3Object);
333
334 Indexer.updateFile(
335 companyId, portletId, groupId, repositoryId, fileName,
336 properties, modifiedDate, tagsEntries);
337 }
338 catch (S3ServiceException s3se) {
339 throw new SystemException(s3se);
340 }
341 catch (SearchException se) {
342 throw new SystemException(se);
343 }
344 }
345
346 public void updateFile(
347 long companyId, String portletId, long groupId, long repositoryId,
348 long newRepositoryId, String fileName)
349 throws PortalException, SystemException {
350
351 try {
352 S3Object[] s3Objects = _s3Service.listObjects(
353 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
354
355 for (int i = 0; i < s3Objects.length; i++) {
356 S3Object oldS3Object = s3Objects[i];
357
358 String oldKey = oldS3Object.getKey();
359
360 oldS3Object = _s3Service.getObject(_s3Bucket, oldKey);
361
362 File tempFile = new File(
363 SystemProperties.get(SystemProperties.TMP_DIR) +
364 File.separator + UUID.timeUUID());
365
366 InputStream is = null;
367
368 try {
369 is = oldS3Object.getDataInputStream();
370
371 FileUtil.write(tempFile, is);
372 }
373 catch (Exception e) {
374 }
375 finally {
376 ServletResponseUtil.cleanUp(is);
377 }
378
379 is = new FileInputStream(tempFile);
380
381 String newPrefix = getKey(companyId, newRepositoryId);
382
383 int x = oldKey.indexOf(StringPool.SLASH);
384
385 x = oldKey.indexOf(StringPool.SLASH, x + 1);
386
387 String newKey =
388 newPrefix + oldKey.substring(x + 1, oldKey.length());
389
390 S3Object newS3Object = new S3Object(
391 _s3Bucket, newKey);
392
393 newS3Object.setDataInputStream(is);
394
395 _s3Service.putObject(_s3Bucket, newS3Object);
396 _s3Service.deleteObject(_s3Bucket, oldKey);
397
398 FileUtil.delete(tempFile);
399 }
400
401 Indexer.deleteFile(
402 companyId, portletId, repositoryId, fileName);
403
404 Indexer.addFile(
405 companyId, portletId, groupId, newRepositoryId, fileName);
406 }
407 catch (IOException ioe) {
408 throw new SystemException(ioe);
409 }
410 catch (S3ServiceException s3se) {
411 throw new SystemException(s3se);
412 }
413 }
414
415 protected AWSCredentials getAWSCredentials() throws S3ServiceException {
416 if (Validator.isNull(_ACCESS_KEY) || Validator.isNull(_SECRET_KEY)) {
417 throw new S3ServiceException(
418 "S3 access and secret keys are not set");
419 }
420 else {
421 return new AWSCredentials(_ACCESS_KEY, _SECRET_KEY);
422 }
423 }
424
425 protected String getFileName(String key) {
426 int x = key.indexOf(StringPool.SLASH);
427
428 x = key.indexOf(StringPool.SLASH, x + 1);
429
430 int y = key.lastIndexOf(StringPool.SLASH);
431
432 return key.substring(x + 1, y);
433 }
434
435 protected double getHeadVersionNumber(
436 long companyId, long repositoryId, String fileName)
437 throws PortalException, S3ServiceException {
438
439 S3Object[] s3Objects = _s3Service.listObjects(
440 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
441
442 String[] keys = new String[s3Objects.length];
443
444 for (int i = 0; i < s3Objects.length; i++) {
445 S3Object s3Object = s3Objects[i];
446
447 keys[i] = s3Object.getKey();
448 }
449
450 if (keys.length > 0) {
451 Arrays.sort(keys);
452
453 String headKey = keys[keys.length - 1];
454
455 int x = headKey.lastIndexOf(StringPool.SLASH);
456
457 return GetterUtil.getDouble(
458 headKey.substring(x + 1, headKey.length()));
459 }
460 else {
461 throw new NoSuchFileException(fileName);
462 }
463 }
464
465 protected String getKey(long companyId, long repositoryId) {
466 StringBuilder sb = new StringBuilder();
467
468 sb.append(companyId);
469 sb.append(StringPool.SLASH);
470 sb.append(repositoryId);
471 sb.append(StringPool.SLASH);
472
473 return sb.toString();
474 }
475
476 protected String getKey(
477 long companyId, long repositoryId, String fileName) {
478
479 StringBuilder sb = new StringBuilder();
480
481 sb.append(companyId);
482 sb.append(StringPool.SLASH);
483 sb.append(repositoryId);
484 sb.append(StringPool.SLASH);
485 sb.append(fileName);
486 sb.append(StringPool.SLASH);
487
488 return sb.toString();
489 }
490
491 protected String getKey(
492 long companyId, long repositoryId, String fileName,
493 double versionNumber) {
494
495 StringBuilder sb = new StringBuilder();
496
497 sb.append(companyId);
498 sb.append(StringPool.SLASH);
499 sb.append(repositoryId);
500 sb.append(StringPool.SLASH);
501 sb.append(fileName);
502 sb.append(StringPool.SLASH);
503 sb.append(versionNumber);
504
505 return sb.toString();
506 }
507
508 protected S3Bucket getS3Bucket() throws S3ServiceException {
509 if (Validator.isNull(_BUCKET_NAME)) {
510 throw new S3ServiceException("S3 bucket name is not set");
511 }
512 else {
513 return getS3Service().createBucket(_BUCKET_NAME);
514 }
515 }
516
517 protected S3Service getS3Service() throws S3ServiceException {
518 AWSCredentials credentials = getAWSCredentials();
519
520 return new RestS3Service(credentials);
521 }
522
523 private static final String _ACCESS_KEY = PropsUtil.get(
524 PropsKeys.DL_HOOK_S3_ACCESS_KEY);
525
526 private static final String _SECRET_KEY = PropsUtil.get(
527 PropsKeys.DL_HOOK_S3_SECRET_KEY);
528
529 private static final String _BUCKET_NAME = PropsUtil.get(
530 PropsKeys.DL_HOOK_S3_BUCKET_NAME);
531
532 private static Log _log = LogFactoryUtil.getLog(S3Hook.class);
533
534 private S3Bucket _s3Bucket;
535 private S3Service _s3Service;
536
537 }